Document Detail


Arthroscopic and Magnetic Resonance Arthrogram Features of Kim's Lesion in Posterior Shoulder Instability.
MedLine Citation:
PMID:  24794570     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
PURPOSE: The purpose of this study was to describe the anatomic features of the glenoid and labrum for shoulders with and without Kim's lesions, as well as define the sensitivity, specificity, and reliability of magnetic resonance arthrogram for the detection of these lesions and determine the interobserver reliability of Kim's classification for posterior labral tears.
METHODS: A retrospective, blinded analysis of 41 shoulders was performed. Twenty-one shoulders composed the Kim's lesion group. Three observers measured glenoid and chondrolabral retroversion and anterior and posterior labral height. The shoulders were classified as 1 of 3 types according to Kim's classification.
RESULTS: There were no differences in glenoid version, chondrolabral version, glenoid depth, and labral height between the groups. The sensitivity, specificity, positive predictive value, and negative predictive value for diagnosing Kim's lesions were 85.7%, 75%, 78.3%, and 83.3%, respectively. The κ values for interobserver reliability for detecting and classifying Kim's lesions were 0.739 (substantial) and 0.329 (fair), respectively.
CONCLUSIONS: Patients with incomplete posteroinferior labral tears have similar retroversion (bony and soft tissue) and labral height to patients without posterior shoulder instability. The sensitivity, specificity, and reliability of magnetic resonance arthrogram for detecting these lesions are substantial. The interobserver reliability of Kim's classification is fair.
LEVEL OF EVIDENCE: Level IV, retrospective case-control study.
Authors:
Charles T Smark; Brian T Barlow; Tyler A Vachon; Matthew T Provencher
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-4-30
Journal Detail:
Title:  Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association     Volume:  -     ISSN:  1526-3231     ISO Abbreviation:  Arthroscopy     Publication Date:  2014 Apr 
Date Detail:
Created Date:  2014-5-5     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8506498     Medline TA:  Arthroscopy     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2014 Arthroscopy Association of North America. Published by Elsevier Inc. All rights reserved.
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